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<meta name="description" content="检索分析待续 网络引擎的运用（谷歌）操作符+ 强制搜索由于 Google 会忽略和过滤一些常用词（称为 stop words &#x2F; common words），如 and、how 等。使用+可以让搜索引擎强制包括这些词。使用+还可以强制过滤关键词变体形式（不让搜索结果出现关键词的其它形式），如单复数、动词时态、ing 形式等等。 - 逻辑非用于过滤-号后面的关键词。如：MP3 -MP4，表示只搜索">
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<meta property="og:description" content="检索分析待续 网络引擎的运用（谷歌）操作符+ 强制搜索由于 Google 会忽略和过滤一些常用词（称为 stop words &#x2F; common words），如 and、how 等。使用+可以让搜索引擎强制包括这些词。使用+还可以强制过滤关键词变体形式（不让搜索结果出现关键词的其它形式），如单复数、动词时态、ing 形式等等。 - 逻辑非用于过滤-号后面的关键词。如：MP3 -MP4，表示只搜索">
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          <h1 class="post-title" itemprop="name headline">网络信息资源检索</h1>
        

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        <h2 id="检索分析"><a href="#检索分析" class="headerlink" title="检索分析"></a>检索分析</h2><p>待续</p>
<h2 id="网络引擎的运用（谷歌）"><a href="#网络引擎的运用（谷歌）" class="headerlink" title="网络引擎的运用（谷歌）"></a>网络引擎的运用（谷歌）</h2><h3 id="操作符"><a href="#操作符" class="headerlink" title="操作符"></a>操作符</h3><p><code>+</code> 强制搜索<br>由于 Google 会忽略和过滤一些常用词（称为 stop words / common words），如 and、how 等。使用+可以让搜索引擎强制包括这些词。使用+还可以强制过滤关键词变体形式（不让搜索结果出现关键词的其它形式），如单复数、动词时态、ing 形式等等。</p>
<p><code>-</code> 逻辑非<br>用于过滤-号后面的关键词。如：MP3 -MP4，表示只搜索 MP3 而不要 MP4 的搜索结果。 -号后面没有空格。</p>
<p><code>~</code> 同义词<br>关键词前加波浪线。如：~table 。</p>
<p><code>*</code> 通配符<br>如：Google was founded in * 。</p>
<p><code>**</code> 指数<br>作用同 ^ ，如：2**10 。</p>
<p><code>&quot; &quot;</code> 引号<br>用引号精确搜索，有时可只用左侧引号。如：”Google hacking” = “Google hacking 。</p>
<p><code>|</code> 逻辑或<br>作用同 OR ，如：Google hacking | hacks 。</p>
<p><code>..</code> 数字范围<br>用于限定数值范围，如：spring festival logo 2002..2009 。</p>
<p><code>^</code> 指数<br>作用同 ** ，如：2^10 。</p>
<h3 id="操作命令"><a href="#操作命令" class="headerlink" title="操作命令"></a>操作命令</h3><p><code>OR</code> 逻辑或<br>作用同 | ，如：Google hacking OR hacks 。</p>
<p><code>define</code>: 关键词定义<br>查询关键词的网络释义。如： define:google 。</p>
<p><code>ext</code>: 限定搜索指定文件类型<br>作用同 filetype:</p>
<p><code>filetype</code>: 限定搜索指定文件类型<br>作用同 ext: 如：filetype:pdf = ext:pdf 。目前文件类型支持如下格式：<br>Adobe Acrobat PDF (.pdf)<br>Adobe Postscript (.ps)<br>Autodesk DWF (.dwf)<br>Google 地球 KML (.kml)<br>Google 地球 KMZ (.kmz)<br>Lotus 1-2-3（wk1、wk2、wk3、wk4、wk5、wki、wks、wku）<br>Lotus WordPro (.lwp)<br>MacWrite (.mw)<br>Microsoft Excel (.xls)<br>Microsoft Powerpoint (.ppt)<br>Microsoft Word (.doc)<br>Microsoft Works（wks、wps、wdb）<br>Microsoft Write (.wri)<br>Rich Text Format 富文本格式 (.rtf)<br>Shockwave Flash (.swf)<br>纯文本（ans、txt）</p>
<p><code>intitle</code>: 限定搜索标题中含指定关键词的网页<br>如： intitle:google search guide 。<br>限定多个关键词用 allintitle:</p>
<p><code>inurl</code>: 限定搜索 url 中含指定关键词的网页<br>如： inurl:google search guide 。通过 inurl:view.shtml 你可以找到在线的网络摄像头。<br>限定多个关键词用 allinurl:</p>
<p><code>inanchor</code>: 限定搜索页面链接锚文本中含指定关键词的网页<br>如： inanchor:google search guide 。<br>限定多个关键词用 allinanchor:</p>
<p><code>intext</code>: 限定搜索正文文本（不含标题和链接）中含指定关键词的网页<br>如： intext:google vs mircosoft。</p>
<h4 id="网站网页命令"><a href="#网站网页命令" class="headerlink" title="网站网页命令"></a>网站网页命令</h4><p><code>site</code>: 限定搜索某网站的网页<br>如： site:<a href="http://www.google.com" target="_blank" rel="noopener">www.google.com</a> 。</p>
<p><code>link</code>: 搜索链向某网站/网址的网页<br>如： link:<a href="http://www.google.com" target="_blank" rel="noopener">www.google.com</a> 。</p>
<p><code>related</code>: 搜索与某网页相似或相关的页面<br>如： related:<a href="http://www.google.com" target="_blank" rel="noopener">www.google.com</a> 。</p>
<p><code>cache</code>: 搜索某网页在 Google 缓存（网页快照）中的旧版本<br>如： cache:<a href="http://www.google.com" target="_blank" rel="noopener">www.google.com</a> 。</p>
<p><code>info</code>: 综合查询某网页的信息，即列出上述四个命令<br>如： info:<a href="http://www.google.com" target="_blank" rel="noopener">www.google.com</a> 。<br>作用同 id:</p>
<h3 id="计算器"><a href="#计算器" class="headerlink" title="计算器"></a>计算器</h3><p>54kg=?g</p>
<h3 id="其他技巧"><a href="#其他技巧" class="headerlink" title="其他技巧"></a>其他技巧</h3><h4 id="浏览器和电脑操作"><a href="#浏览器和电脑操作" class="headerlink" title="浏览器和电脑操作"></a>浏览器和电脑操作</h4><p><code>ctrl+F</code>:在本页中查找关键字<br><code>ctrl+L</code>:选中浏览器地址<br><code>ctrl+tab</code>:切换浏览器标签<br><code>alt+tab</code>:切换程序</p>
<h2 id="常用网址"><a href="#常用网址" class="headerlink" title="常用网址"></a>常用网址</h2><h3 id="学习视频网站"><a href="#学习视频网站" class="headerlink" title="学习视频网站"></a>学习视频网站</h3><p><a href="https://www.icourse163.org/" target="_blank" rel="noopener">中国大学 MOOC(慕课)_国家精品课程在线学习平台</a><br><a href="https://open.163.com/" target="_blank" rel="noopener">网易公开课</a><br><a href="http://www.xuetangx.com/" target="_blank" rel="noopener">学堂在线-精品中文慕课(mooc)平台</a><br><a href="http://www.coursade.com/" target="_blank" rel="noopener">Coursade - Discover online learning</a><br><a href="https://www.khanacademy.org/" target="_blank" rel="noopener">Khan Academy | Free Online Courses, Lessons &amp; Practicea</a><br><a href="https://www.coursera.org/" target="_blank" rel="noopener">Coursera | Online Courses From Top Universities. Join for Free</a><br><a href="http://www.icourses.cn/home/" target="_blank" rel="noopener">爱课程</a></p>
<h3 id="资料检索网站"><a href="#资料检索网站" class="headerlink" title="资料检索网站"></a>资料检索网站</h3><p><a href="https://book.douban.com/" target="_blank" rel="noopener">豆瓣读书</a><br><a href="http://www.360doc.com/index.html" target="_blank" rel="noopener">360doc 个人图书馆</a><br><a href="https://wenku.baidu.com/" target="_blank" rel="noopener">百度文库</a><br><a href="http://www.nlc.cn/" target="_blank" rel="noopener">中国国家图书馆•中国国家数字图书馆</a></p>
<h3 id="免费资源下载网站"><a href="#免费资源下载网站" class="headerlink" title="免费资源下载网站"></a>免费资源下载网站</h3><p><a href="http://www.panduoduo.net/" target="_blank" rel="noopener">盘多多-百度云盘-百度云搜索-百度云盘资源搜索-百度网盘搜索引擎-微盘,新浪微盘-网盘搜索_盘多多</a></p>
<h2 id="参考文献"><a href="#参考文献" class="headerlink" title="参考文献"></a>参考文献</h2><p>[1]<a href="http://www.googleguide.com/" target="_blank" rel="noopener">interactive online google tutorial and references - google guide</a></p>

      
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